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r241841 - in /trunk/gcc: ChangeLog loop-invaria...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Fri, 04 Nov 2016 08:54:43 -0000
- Subject: r241841 - in /trunk/gcc: ChangeLog loop-invaria...
Author: rguenth
Date: Fri Nov 4 08:54:42 2016
New Revision: 241841
URL: https://gcc.gnu.org/viewcvs?rev=241841&root=gcc&view=rev
Log:
2016-11-04 Richard Biener <rguenther@suse.de>
PR middle-end/78185
* loop-invariant.c (find_exits): Record entering inner
loops as possibly exiting to handle infinite sub-loops.
* tree-ssa-loop-im.c: Include tree-ssa-loop-niter.h.
(fill_always_executed_in_1): Honor infinite child loops.
* gcc.dg/pr78185.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/pr78185.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/loop-invariant.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-loop-im.c